Dental Alginate-Hygedent-General Impression materials are designed to be liquid or semi-solid when first mixed and placed in the tray, and then quickly set to a solid (usually a few minutes depending upon the material), leaving an imprint of the structures in the mouth.
Double discoloration: The white powder becomes pink when blended and becomes white after solidification.
Used for taking molds of single movable denture and antagonist teeth, for children’s orthodontics
| Test items | YY1027-2018 | Universal |
| Powder to water ratio | 10g/22ml | |
| Stiring time | Manufacturer regulations | 30” |
| operating hours | Manufacturer regulations | ≥1’30” |
| Initial setting time | Manufacturer regulations | 2’10” |
| Placement time in the mouth | Manufacturer regulations | 1’30” |
| Elastic recovery (%) | ≥95% | ≥95% |
| Compressive strength | ≥0.35 Mpa | ≥0.45Mpa |
| Tear strength | ≥0.38N/mm | ＞0.38N/mm |
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